The daughter and her boyfriend were having some sort of altercation around 9:15 a.m. on East Forest Avenue when her father, Garth Virgil, either tried to defend her to break it up and took out the weapon, Suffern said.

The boyfriend suffered minor injuries, he said, and was transported to Englewood Hospital and Medical Center.

The daughter is 28 years old and from Arverne, N.Y. Her boyfriend is also 28 and from Brooklyn.